It's enough to give any private landlord nightmares. Every January you’ll see horrendous stories in the press about tenants giving New Year’s Eve parties in which dozens of people have turned up with properties completely trashed. Most of those stories concern Airbnb or similar short-term rentals. But nevertheless, the fear of a tenant or their guests damaging their property is a real one for many landlords. This is why they will try to pre-empt the problem by banning tenants from holding parties.